Vidaara.orgClass 4 · Mathematics
CodeVID-M04-01-RND-01
Rounding Large Numbers - Assignment
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Section A carries 1 mark each, Section B 2 marks, Section C 3 marks and Section D 5 marks.
- Show all working for Sections B, C and D. Only final answers are given at the end — for full solutions, raise your doubts with your teacher.
Section A — Multiple Choice Questions
5 × 1 = 5 marks
1.
To round, look at the digit to the ___ of the rounding place.
- A.left
- B.right
- C.top
- D.end
2.
If that digit is $5$ or more, you:
- A.round down
- B.round up
- C.drop it
- D.keep it
3.
$47{,}000$ to the nearest $10{,}000$ is:
- A.$40{,}000$
- B.$50{,}000$
- C.$47{,}000$
- D.$45{,}000$
4.
$1{,}23{,}000$ to the nearest lakh is:
- A.$1{,}00{,}000$
- B.$2{,}00{,}000$
- C.$1{,}20{,}000$
- D.$1{,}30{,}000$
5.
One lakh equals:
- A.$10{,}000$
- B.$1{,}00{,}000$
- C.$1{,}000$
- D.$10{,}00{,}000$
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Round $32{,}000$ to the nearest $10{,}000$.
7.
Round $58{,}000$ to the nearest $10{,}000$.
8.
Round $1{,}40{,}000$ to the nearest lakh.
9.
Round $1{,}60{,}000$ to the nearest lakh.
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
Round $4{,}67{,}000$ to the nearest $10{,}000$.
11.
Round $3{,}42{,}000$ to the nearest lakh.
12.
Round $2{,}55{,}000$ to the nearest lakh.
13.
Round $78{,}500$ to the nearest $10{,}000$.
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
Round $5{,}48{,}200$ to (a) the nearest $10{,}000$ and (b) the nearest lakh.
15.
A factory made $2{,}63{,}000$ toys. Round this to the nearest $10{,}000$ and to the nearest lakh.
Answer Key
Section A — Multiple Choice Questions
- (B) right
- (B) round up
- (B) $50{,}000$
- (A) $1{,}00{,}000$
- (B) $1{,}00{,}000$
Section B — Short Answer (2 marks)
- $30{,}000$.
- $60{,}000$.
- $1{,}00{,}000$.
- $2{,}00{,}000$.
Section C — Short Answer (3 marks)
- $4{,}70{,}000$.
- $3{,}00{,}000$.
- $3{,}00{,}000$.
- $80{,}000$.
Section D — Long Answer (5 marks)
- (a) $5{,}50{,}000$; (b) $5{,}00{,}000$.
- $2{,}60{,}000$ and $3{,}00{,}000$.
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